52664173 has 2 divisors, whose sum is σ = 52664174. Its totient is φ = 52664172.

The previous prime is 52664149. The next prime is 52664189. The reversal of 52664173 is 37146625.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52027369 + 636804 = 7213^2 + 798^2 .

It is a cyclic number.

It is not a de Polignac number, because 52664173 - 2¹⁷ = 52533101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52664473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26332086 + 26332087.

It is an arithmetic number, because the mean of its divisors is an integer number (26332087).

Almost surely, 2^52664173 is an apocalyptic number.

It is an amenable number.

52664173 is a deficient number, since it is larger than the sum of its proper divisors (1).

52664173 is an equidigital number, since it uses as much as digits as its factorization.

52664173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 52664173 is about 7257.0085434702. The cubic root of 52664173 is about 374.8335213632.

It can be divided in two parts, 52 and 664173, that added together give a square (664225 = 815²).

The spelling of 52664173 in words is "fifty-two million, six hundred sixty-four thousand, one hundred seventy-three".